Hitachi EH-150 Applications Manual page 158

Description
(A) When the I/O type code is bit and specified as less than or equal to 16 points
H40
Data memory
H00
1st point
N points
8th point
Nth point
Bit
(B) When the I/O type code is word
Data memory
1st word
N words
Nth word
Word
I/O
I/O No.
code
1st to 8th 9th to Nth
H40
points points
(Response)
The CPU detects the head of the monitor data according
to the requested I/O code and I/O number, then in response
returns the monitor data for the number of bits requested.
I/O
H40
code
1st word
H00 H40
The CPU detects the head of the monitor data according to the
requested I/O code and I/O number, then in response returns the
monitor data for the number of words requested.
B-33
Appendix B Task Codes Specifications
N points
(Request)
I/O No. N points
(Request)
Nth words
(Response)